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In April, 2015, a 7.8 magnitude earthquake in Nepal killed more than 8,000 people and injured more than 21,000 people. The earthquake caused extensive damage, destroying entire villages across the country as well as many UNESCO World Heritage Sites.Four days after the earthquake, DigitalGlobe released before and after imagery of the affected regions to support disaster response efforts. We also tasked our satellites to collect additional post-event imagery in the following days. More than 58,000 people contributed to the Tomnod crowdsourcing campaign, tagging more than 21,000 damaged buildings and roads and areas of major destruction.
Analysis-Ready Data (ARD) is Maxar's subscription service providing users access to time-series stacks of imagery with specific preprocessing (atmospheric compensation, radiometric correction, orthorectification and alignment) to minimize the work and time required to derive answers from pixels. Learn more about ARD here.